Issai-naga Japanese Wisteria

Issai-naga Japanese Wisteria

Wisteria floribunda 'Issai-naga'

A vigorous flowering vine with pendulous fragrant flower clusters and bold architectural presence on structures.

  • Large cascading clusters of fragrant pea-like mauvish-blue flowers
  • Bright green leaflets turn butter-yellow in autumn
  • Poisonous bean-like seed pods in late summer
  • Vigorous twining vine
  • Commonly used for screening
  • Grows best in full sun
Size
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Plant Characteristics

Sunlight
Full sun
Soil Moisture
Moist, Average, Well-drained
Drought Tolerant
✓
Hardiness Zone
4 – 4
Mature Height (meters)
4.0 – 5.0
Mature Spread (meters)
1.0 – 1.5
Growth Rate
Fast
Flower Colour
Purple
Foliage Colour
Green
Fall Colour
Yellow
Bloom Time
Summer
Habit
Upright
Deer Resistant
✓
Rabbit Resistant
✓
Pollinator Friendly
✓
Fragrant
✓
Landscape Uses
Screening
Growing & Maintenance Tips
Wisteria will do well in an average to moist, well-drained soil in full sun or part shade. Pruning should be done soon after flowering, to ensure bud set for next season's flowers. In the summer months, continual pruning of the new shoots will help maintain a tidy size and appearance. Wisteria needs a sturdy support structure to allow for their vigorous growth habit.

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